Update tools #34

	name: "Validate pull request"

	on:
	pull_request:
	branches:
	- main
	paths:
	- Makefile
	- Dockerfile
	- lib/**
	- scripts/**
	- .github/workflows/**

	workflow_dispatch:

	env:
	TEST_TAG: grafana/${{ github.repository }}:test

	jobs:
	validate:
	name: Validate pull request
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-tags: true

	- name: Unshallow
	run: git fetch --prune --tags --unshallow

	- name: Describe the current state
	run: git describe --tags --always

	- name: Docker meta
	id: docker_meta
	uses: docker/metadata-action@v5
	with:
	images: \|
	ghcr.io/${{ github.repository }}
	tags: \|
	type=raw,value=sha-${{ github.sha }}

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Cache Docker layers
	uses: actions/cache@v4
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-

	- name: Login to GitHub Package Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- # This will only build the container image, not publish it
	name: Build container image and export to Docker
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./Dockerfile
	push: false
	load: true
	tags: ${{ steps.docker_meta.outputs.tags }}
	labels: ${{ steps.docker_meta.outputs.labels }}
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

	- name: Test container image
	run: \|
	docker run --rm ghcr.io/${{ github.repository }}:sha-${{ github.sha }} image-test

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